2020-2021学年安徽省宣城市高一上学期期末数学试题

学年安徽省宣城高一（上）末数学试一选题共12小题）A{013}B{x230}BA{1012}{02}C{0123}D{13}{|01}N{1}A

BC

Dln2

c

AabBcbCacDAacabCb

BacadDabflnx+2A0

B1

C2

D4A0

B1

f2ff3C2D3

cosACa0A10

BDkC8D720cm1

aaA4cmB5D10x

RaA[4

B1

C4

D11AfBR

ECfx

Dy

E12+ffxyf+fxyfxyf1ffx2A[1C4]二填题共4小）

B[40D[134]1314Rx

2x15x6

yMM16ff+1fx[10]fxx[1xa三解题17122

18x

x[0A{axa+10}2

Uaa3Uaa31URB2xBx19flogx+log1f2f3f2200.50001800012211fx

2

22gxx

4+[12]

129]fx3hf1|k|2k3

参考答案一选题共12小题）A{013}B{x230}BA{1012}B{012}C{0123}D{103}{023}B{xx0}{x3}B{02}{|01}N{1}A

BC

DAMBMNDMxCln2cAabBcbCacDaln10

c0a4

AacabBacadCb

DabAaccbababBCaCD，bd2c1Dflnx+2A0

B1

C2

D41ln1+12102+2xlnxx1f0ff3A0B1CD3f02bf33+2f3f5log5AC

BDcos5

cos

D

cosa0A10ab2a+0

kC8D7++

kak[++]2+b+

82bkC20cmA4cml20RlR

BCD2RRR2

+10R5cm2

10x

RaA[4

B1

C4

Df6

11

EAfBRCfx

Dy

Efx+cos2x+

fx

A

x

+

x

B

x

2x+Cyx

y2sin2+

2sinx+

DC12+ffxyf+fxyfxyf1ffx2A[1

B[40

C34][04]xyfx+yxy1ff1ff07

36MMM36MMMf24f2f2x+fx2[3]f40yxfxx0fx+x2[0二填题本题4小题每题5分）13

[3x3x[4+14Rx

2x1+xRx2x+a0Rx2+44a0a1a1+15x6MM3

MxlogMylog6+2log541M54548

aaaaaaaa16ff+1fx[10]fxx[1xflog+2a5fxxf1x+2fxx2xx[1fxxx[0xxx[f2

x[13]xx2

gxx+2yfxxayfxxa55三解题解应出字明证过或算骤171221lg100012

9

UUUaaaaaaUUUaaaaaa18x

x[0A{axa+10}1URB2xBx1B{x30}{x3}B{x23}fx2x[0{8}B[1[38]2xxB{aa7]

19flogx+log1f2f3f21

4xx{x2}2xxflogxx+42+41

fx03x2x+442g2+40xxx+41xfx92a210

11a3200.500018000121x4y72000

23000x623000211fx

2

1f

xsin2kZ

xcos2kfx

k2

k

k11

3311213311212

22gxx

4+[12]

129]fx3hf1|k|2k1xx2

+a4x2g0

42tlog9]t[12]